Battery



FIG. 1 is a top view of a battery usable with a portable DVD player;

FIG. 2 is a perspective view of the battery of FIG. 1;

FIG. 3 is a side elevation view of the battery of FIG. 1; and,

FIG. 4 is a bottom view of the battery of FIG. 1. 

The ornamental design for a battery, as shown and described. 